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经营范围
发明名称
RECUPERATEUR DE CHALEUR.
摘要
申请公布号
BE554922(A1)
申请公布日期
1960.02.12
申请号
BE19570554922
申请日期
1957.02.11
申请人
R. MATHIEU
发明人
R. MATHIEU
分类号
(IPC1-7):F24B
主分类号
(IPC1-7):F24B
代理机构
代理人
主权项
地址
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